for the doctor’s careful treatment, he till last year.
A. If it is not; can’t live
B. Were it not; couldn’t live
C. Had it not been; couldn’t have lived
D. If it were not; wouldn’t live
网友回答
A. If it is not; can’t live
B. Were it not; couldn’t live
(答案→)C. Had it not been; couldn’t have lived
D. If it were not; wouldn’t live
解析：句意：如果没有医生仔细的治疗，他不能活到去年。Had it not been ... 是倒装的虚拟条件句，相当于 If it had not been ...虚拟条件从句中如果有 had, were, should，可省略 if，并将它们提到主语之前，从而构成倒装。 故选C。
考点: 考查倒装句的用法。